<?php

namespace app\admin\controller\test;

use app\common\controller\Backend;
use app\admin\model\test\Itembank as ItembankModel;
use app\admin\model\test\Testitem as TestitemModel;
use think\Db;
use Exception;
use \think\exception\PDOException;
use \think\exception\ValidateException;
use think\Session;

/**
 * 题库管理
 *
 * @icon fa fa-circle-o
 */
class Itembank extends Backend
{
    
    /**
     * Itembank模型对象
     * @var \app\admin\model\test\Itembank
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\test\Itembank;
        $this->view->assign("typeList", $this->model->getTypeList());

        $this->user = Session::get("admin");
        $this->assign("user",$this->user);
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }

            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            // 应急管理局 可以看所有试卷 ，企业可看自家试卷+应急管理局的试卷
            if ($this->user['merchant_id'] == $this->yjMerchantId) { // 应急管理局
                $total = $this->model
                ->with(['article'])
                ->where($where)
                ->count();

                $list = $this->model
                ->with(['article'])
                ->where($where)
                ->order($sort, $order)
                ->limit($offset, $limit)
                ->select();
            } else{ // 企业登录
                    $total = $this->model
                    ->with(['article'])
                    ->where($where)
                    ->where('article.merchant_id','in',[$this->yjMerchantId,$this->user['merchant_id']])
                    ->count();
    
                    $list = $this->model
                    ->with(['article'])
                    ->where($where)
                    ->where('article.merchant_id','in',[$this->yjMerchantId,$this->user['merchant_id']])
                    ->order($sort, $order)
                    ->limit($offset, $limit)
                    ->select();
            }

            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }

    	/**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        $this->model->validateFailException(true)->validate($validate);
                    }
					
					/* LogChan 验证试题 START */
					//验证答案,并生成最终答案
					if($params['type'] == 'judge'){
						if(!isset($params['judge_answer'])){
							$this->error('请选择答案！');
						}
						$params['answer'] = $params['judge_answer'];
						
					}else if($params['type'] == 'onechoice' || $params['type'] == 'manychoice'){
						
						$values = json_decode($params['values'],true);
					
						if(!$values){
							$this->error('请添加试题选项！');
						}
						if(count($values) < 2){
							$this->error('至少添加2个试题选项！');
						}
						//判断是否是否选中答案
						$answer_arr = [];
						foreach($values as $k => $v){
							if(isset($v['answer'])){
								$answer_arr[] = $v['key'];
							}
						}
						if(count($answer_arr) < 1){
							$this->error('请选择试题选项答案！');
						}
						if(count($answer_arr) > 1 && $params['type'] == 'onechoice'){
							$this->error('单选题只能选择一个答案！');
						}	
						$params['answer'] = implode(",", $answer_arr);
					}
					unset($params['judge_answer']);
					/* LogChan 验证试题 END */
					
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }
	
    /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                        $row->validateFailException(true)->validate($validate);
                    }
					
					
					/* LogChan 验证试题 START */
					//验证答案,并生成最终答案
					if($params['type'] == 'judge'){
						if(!isset($params['judge_answer'])){
							$this->error('请选择答案！');
						}
						$params['answer'] = $params['judge_answer'];
						
					}else if($params['type'] == 'onechoice' || $params['type'] == 'manychoice'){
						
						$values = json_decode($params['values'],true);
						
						if(!$values){
							$this->error('请添加试题选项！');
						}
						if(count($values) < 2){
							$this->error('至少添加2个试题选项！');
						}
						//判断是否是否选中答案
						$answer_arr = [];
						foreach($values as $k => $v){
							if(isset($v['answer'])){
								$answer_arr[] = $v['key'];
							}
						}
						if(count($answer_arr) < 1){
							$this->error('请选择试题选项答案！');
						}
						if(count($answer_arr) > 1 && $params['type'] == 'onechoice'){
							$this->error('单选题只能选择一个答案！');
						}	
						$params['answer'] = implode(",", $answer_arr);
					}
					unset($params['judge_answer']);
					/* LogChan 验证试题 END */
					
					
                    $result = $row->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }

	/**
     * 删除
     */
    public function del($ids = "")
    {
        if ($ids) {
            $pk = $this->model->getPk();
            $adminIds = $this->getDataLimitAdminIds();
            if (is_array($adminIds)) {
                $this->model->where($this->dataLimitField, 'in', $adminIds);
            }
            $list = $this->model->where($pk, 'in', $ids)->select();

            $count = 0;
            Db::startTrans();
            try {
				
                foreach ($list as $k => $v) {
					//获取是否有人答题
					$total_item = TestitemModel::where(['item_id'=>$v['id']])->count();
					if($total_item < 1){
						$count += $v->delete();
					}
                }
                Db::commit();
            } catch (PDOException $e) {
                Db::rollback();
                $this->error($e->getMessage());
            } catch (Exception $e) {
                Db::rollback();
                $this->error($e->getMessage());
            }
			 if ($count){
                $this->success('成功删除'.$count.'道题，失败'.(count($list)-$count).'道题，原因:已有试卷使用该题！');
            } else {
                $this->error(__('No rows were deleted').'，原因:已有试卷使用该题，不允许删除');
            }
        
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }
	public function import(){
		return parent::import();
	}
}
